Buick Lesabre 2002–2003 — technical service bulletin
Bulletin 57 · NHTSA communication 10016461 · issued Jul 1, 2003
Technical service bulletin
communication type
Power Train
component
2002–2003
model years
6
vehicle entries
Official summary
Transmission shift conditions. Gm tech link. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.